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Granny Flats & Secondary Dwellings

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Trusted by These Brands

We work with these brands on a wide array of top tier projects in and around Australia and the World alike.

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From Idle Equity to Cash Flow: Your Path to Financial Growth

Are you sitting on untapped equity in your current property? Our service empowers you to turn that idle potential into a thriving income stream. By building a duplex, granny flat, or new investment home, you can transform your property into a dynamic source of cash flow, giving you financial freedom and peace of mind.

We specialise in leveraging the equity you’ve already built, guiding you through the entire process from planning to construction. Our tailored solutions ensure that your investment aligns perfectly with your financial goals.

With our expertise, you can confidently embark on a journey to increase your wealth and secure your financial future. Don’t let your equity sit stagnant—turn it into a smart, strategic investment that works for you. Let us help you create a new revenue stream that brings consistent, predictable returns.

Why Build With Us?

Our Values

With decades of  experience under our belt we understand every nook and cranny of the building industry.

We handle every stage of your building project, from initial design concepts all the way through to hand-over - you don't have to worry about a thing.

Being a family business, we understand the importance of family values. Our team are clean, tidy and punctual!

Communication is the key. We give you clear information, at your fingertips. Our team is always here to listen and guide you through your new home or investment journey.

Our Services

Design flexibility and Custom Designs

We work with you to either modify our existing floor plans or come up with something totally new. We design in 3D so you can see your new home as if it were already built.

Client-Builder Integration

For building on an existing site, we can work with your managing agent, existing tenants or around your family easily.

Post-Construction Support

Standard builders warranties only go so far - we provide after-sales support that goes above and beyond. Competitive pricing for existing property repairs, maintenance and upgrades.

What our Clients in Australia
want to share with you

Matthew Roberts

Oakdale, New South Wales

"I have recently completed a build with this team to build a granny flat on my investment property. From the quoting stage to handover, everyone has done a fantastic job. The process was smooth, the communication was great and I’d be more than happy to build with them again. Quality job and completed quicker than the anticipated completion date."

Kira Holt

Buttaba, New South Wales

"We really enjoyed working with the whole team. From start to finish, our granny flat build seemed like a breeze. Thank you again for making the process so smooth and keeping us updated throughout the entire build. We can definitely recommend working with these guys!"

Zheng Wang

Brisbane, Queensland

"I find it is very easy to deal with Mark Wilson. I have very high expectations to the granny flat and they work hard to achieve that. For anything I don’t understand, they are always willing to help. Nothing is perfect, but I do feel they are honest, professional and able to deliver what they have promised. I would recommend them to anyone who wants to start a construction project."

Simon Wright

Coogee, Sydney

"I had a really great experience with Wilson Design and Build. Being out of state and this being my first build I was understandably a little nervous but from concept to handover the whole process was incredibly smooth. Great team, Great communication and I am very happy with the final product. definitely recommend."

David Huynh

Brisbane, Queensland

"Sean and Andres were great to deal with, looked after my granny build from beginning to end. Being from interstate, they answered all my queries, provided advice when needed and were very responsive. Would use them again in the future!"

Pete Berry

Berry, New South Wales

"The team from Mark Wilson design are very professional. As an interstate investor it has being reassuring dealing with such a great team. They build excellent homes on time, on budget and to a very high standard."

Xin

Concord, Sydney

"I find it is very easy to deal with Mark Wilson. I have very high expectations to the granny flat and they work hard to achieve that. For anything I don’t understand, they are always willing to help. Nothing is perfect, but I do feel they are honest, professional and able to deliver what they have promised. I would recommend them to anyone who wants to start a construction project."

Steve

Forster, New South Wales

"Easy process from start to finish. First time I have built in Queensland while living in Victoria. I felt I was in good hands and was kept in the loop. I would build with them again and recommend them."

Elisabeth Gallagher

Whishart, Brisbane

"We have had a great experience with Wilson Design and Build. We had never built before and were quite nervous about the whole process, but they were able to develop a concept and design to achieve something that we didn't think was possible. Great communication right throughout, and the outcome has exceeded our expectations. Highly recommended."

Jack Williams

Wentworth Falls, Sydney

"Wilson Design & Build did a great job managing my granny flat build and I'm very happy with the product they produced. As an interstate investor it was comforting to have someone look after my best interest!"

Rafe Lewis

Broadbeach Waters, Gold Coast

"Top Builder Top Service Not just saying that but I believe it Our own building Inspector Craig from Building & Legal said it was one of the best builds he has seen in years."

Ashok

Ipswich, Queensland

"Sarah and Sean, Thank you for all your effort and help in completing the granny flat. The dwelling looks great and even Raine & Horne were impressed!!! Thank you once again for the lovely granny flat - perhaps when I retire I will relocate to Brisbane to get out of the cold winters of Sydney and move into the granny flat!!!"

Head to Testimonials and Case Studies page

Book a Free Consultation!

Pay us a visit today find out more or request a quote online for your next building project.

Location:
1/68 Blanck Street, Ormeau, Brisbane AU QLD 4208

Tel:
1800 575 002

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Frequently Asked Questions

We believe communication is key. This is just one of the reasons our clients comeback to us.

How long should I expect the construction process to take?

From selecting the right design to watching your property take shape, each stage of construction is an important step toward creating your dream space. We've put together a detailed guide to the typical build times for various buildings.

Why should I invest in property?

Investing in property can help you achieve financial security and independence. You can also make your money work for you with positively geared rentals. You can find out more by clicking this on this link.

Can I use my own tradies during construction?

Unfortunately, you cannot use your own tradies for your project, we care deeply for your build and want to ensure you get the best possible end product. Read more on why that is the case.

What do I need to be aware of before building a granny flat?

There are many factors to consider, such as planning permission, design, budget, and construction. If you are thinking of adding a granny flat to your property, read more on five common mistakes to avoid